PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

08-666Bar,bucking,rivet

Us Air Tool Co., Inc. · NSN 5120-01-686-3253 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-686-3253 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-686-3253. Primary manufacturer part number: 08-666.
Features
  • Bar,bucking,rivet — FSC 5120
  • Rectangular End Height: 3.25 INCHES NOMINAL IN
  • Rectangular End Width: 2.5 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Us Air Tool Co., Inc.
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Bar,bucking,rivet, cataloged under National Stock Number 5120-01-686-3253, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Us Air Tool Co., Inc.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-686-3253
Primary Part Number08-666
Item NameBar,bucking,rivet
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerUs Air Tool Co., Inc.
StatusACTIVE
Rectangular End Height3.25 INCHES NOMINAL IN
Rectangular End Width2.5 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5965-00-110-33305C3Z160TK INTERCHANGEABLE
Loudspeaker,permanent Magnet
Quam Nichols Co
5136-00-228-1001 INTERCHANGEABLE
Tap,thread Cutting
Cross-Reference Index
Part NumberManufacturer
08-666 PRIMARY Us Air Tool Co., Inc. (USA)
08-666 Leonardo Spa Aeronautics Division - Pomigliano D'arco Site (ITA)
Related Parts
5965-00-110-3330INTERCHANGEABLE
LOUDSPEAKER,PERMANENT MAGNET
5C3Z160TK
5136-00-228-1001INTERCHANGEABLE
TAP,THREAD CUTTING

Frequently Asked Questions

What is NSN 5120-01-686-3253?

NSN 5120-01-686-3253 is a Bar,bucking,rivet, manufactured by Us Air Tool Co., Inc., classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-686-3253?

NSN 5120-01-686-3253 has 2 cross-referenced part numbers: 08-666 (Us Air Tool Co., Inc.), 08-666 (Leonardo Spa Aeronautics Division - Pomigliano D'arco Site).

What NSN replaces 5120-01-686-3253?

There are 2 known substitutes for 5120-01-686-3253: 5965-00-110-3330, 5136-00-228-1001. Verify interchangeability with system specifications before substitution.

What are the specifications of 08-666?

Key specifications for 08-666: Rectangular End Height: 3.25 INCHES NOMINAL IN; Rectangular End Width: 2.5 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: BUCKING BAR; Special Features: RIVET;WEIGHT-9.25 POUNDS LBS. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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